The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 1979
Filed:
Sep. 29, 1977
Applicant:
Inventors:
Sumio Umemura, Ube, JP;
Kanenobu Matsui, Ube, JP;
Yoshinari Ikeda, Ube, JP;
Katsuro Masunaga, Ube, JP;
Assignee:
Ube Industries, Ltd., Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 81 ; 560114 ; 560131 ; 560139 ; 560144 ; 560146 ; 560193 ; 560198 ; 560204 ;
Abstract
A process for preparing a diester of a dicarboxylic acid having two more carbon atoms than the unsaturated hydrocarbon used as a starting material, which comprises subjecting an unsaturated hydrocarbon, carbon monoxide and an alcohol to reaction in the presence of a platinum group metal in combination with one or more compounds selected from the group consisting of nitric acid, a nitrogen oxide and an ester of nitrous acid.
Umemura, Sumio. (1979). Process for preparing diesters of dicarboxylic acids (U.S. Patent No. 4138580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4138580
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile